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    Method for producing optical member, and optical member
    1.
    发明授权
    Method for producing optical member, and optical member 有权

    公开(公告)号：US10981352B2

    公开(公告)日：2021-04-20

    申请号：US16094523

    申请日：2017-03-06

    Applicant: Sharp Kabushiki Kaisha

    Inventor： Hidekazu Hayashi ,  Tokio Taguchi ,  Kenichiro Nakamatsu ,  Hisashi Maruyama ,  Nobuaki Nakao ,  Suguru Aoki

    IPC: B32B3/30 ,  B32B27/08 ,  G02B1/118 ,  G02B1/14 ,  G02B1/18

    Abstract: The method for producing an optical member of the present invention includes: Process (1) of applying a first resin to a substrate; Process (2) of applying a second resin to at least one of the first resin and a die; Process (3) of pushing the substrate to the die with the first resin and the second resin in between to form a resin layer including on a surface thereof an uneven structure; and Process (4) of curing the resin layer to provide a polymer layer. The die includes a surface after release treatment with a fluorine release agent. The first resin contains a resin component, and the resin component contains predetermined amounts of a (meth)acrylamide compound and a urethane prepolymer containing six or more functional groups. The second resin contains predetermined amounts of a reactive group-containing monomer, a fluorosurfactant, and a fluorine-containing monomer.

    Synthetic polymer film and production method of synthetic polymer film
    2.
    发明授权
    Synthetic polymer film and production method of synthetic polymer film 有权

    公开(公告)号：US11364673B2

    公开(公告)日：2022-06-21

    申请号：US16280543

    申请日：2019-02-20

    Applicant: SHARP KABUSHIKI KAISHA

    Inventor： Miho Yamada ,  Yasuhiro Shibai ,  Kiyoshi Minoura ,  Tokio Taguchi

    IPC: B29C59/00 ,  B29C33/38 ,  C08K5/5397 ,  C08L71/02 ,  B29C33/56 ,  B29C59/16 ,  B29C33/42 ,  B32B3/26

    Abstract: A synthetic polymer film whose surface has a plurality of raised or recessed portions, wherein a two-dimensional size of the plurality of raised or recessed portions is in a range of not less than 0.5 μm and not more than 3 μm when viewed in a normal direction of the synthetic polymer film, the synthetic polymer film has a crosslink structure and contains an organic carboxylic acid, at the lapse of 5 minutes since placing a 200 μL drop of water on the surface of the synthetic polymer film, a pH of an aqueous solution is less than 4, and an area equivalent circle diameter of the aqueous solution is not less than 20 mm, and at the lapse of 60 seconds since placing a drop of water on the surface of the synthetic polymer film, a static contact angle of the water drop with respect to the surface is less than 3°.

    Endoscope tip cover and endoscope
    6.
    发明授权
    Endoscope tip cover and endoscope 有权

    公开(公告)号：US12070188B2

    公开(公告)日：2024-08-27

    申请号：US17283188

    申请日：2019-10-01

    Applicant: SHARP KABUSHIKI KAISHA

    Inventor： Miho Yamada ,  Kiyoshi Minoura ,  Tokio Taguchi ,  Yasuhiro Shibai

    IPC: A61B1/00

    CPC classification number: A61B1/00137

    Abstract: An endoscope distal end cover (10) is a cover for protecting a distal end (20t) of an endoscope (20) which has an observation window at the distal end, including: a synthetic polymer film (13) which is to be located over the observation window (32) when the endoscope distal end cover is attached to the distal end of the endoscope, wherein the synthetic polymer film has a surface which includes a plurality of raised portions, when viewed in a normal direction of the synthetic polymer film, a two-dimensional size of the plurality of raised portions is in the range of more than 20 nm and less than 500 nm, and a static contact angle of water with respect to the surface is not less than 98°.

    Electron emission device and method for manufacturing the same
    9.
    发明授权
    Electron emission device and method for manufacturing the same 有权

    公开(公告)号：US10692680B2

    公开(公告)日：2020-06-23

    申请号：US16369004

    申请日：2019-03-29

    Applicant: Sharp Kabushiki Kaisha

    Inventor： Kenichiro Nakamatsu ,  Tokio Taguchi ,  Kohji Shinkawa ,  Mai Takasaki ,  Tadashi Iwamatsu

    IPC: H01J3/02 ,  H01L21/02 ,  H01L21/768 ,  H01J9/02

    Abstract: A method of producing an electron emitting device includes: step A of providing an aluminum substrate or providing an aluminum layer supported by a substrate; step B of anodizing a surface of the aluminum substrate or a surface of the aluminum layer to form a porous alumina layer having a plurality of pores; step C of applying Ag nanoparticles in the plurality of pores to allow the Ag nanoparticles to be supported in the plurality of pores; step D of, after step C, applying a dielectric layer-forming solution onto substantially the entire surface of the aluminum substrate or the aluminum layer, the dielectric layer-forming solution containing, in an amount of not less than 7 mass % but less than 20 mass %, a polymerization product having siloxane bonds; step E of, after step D, at least reducing a solvent contained in the dielectric layer-forming solution to form the dielectric layer; and step F of forming an electrode on the dielectric layer.

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